Aeronautics and astronautics – Aircraft – heavier-than-air – Airplane and helicopter sustained
Patent
1981-01-30
1983-06-14
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft, heavier-than-air
Airplane and helicopter sustained
244 48, 244 56, 244123, B64C 2900
Patent
active
043878660
ABSTRACT:
An aircraft has a pair of tiltable wings for vertical and horizontal flight with propeller-pairs which are driven and synchronized by a fluid transmission between the power plant and the propellers. The interior structure which keeps most of the components of the craft together consists of at least three pipes which are also utilized to carry the driving fluid to and from the motors, to hold the motors and to hold the wings. The pipe structure can be pivoted in respective bearing means of the body of the aircraft to effect the pivotion of the propellers and wings for either vertical take off and landing or for horizontal flight. The take over of a plurality of functions by the interior pipe structure reduces weight and assures safe and economic operation of the craft.
REFERENCES:
patent: 1726062 (1929-08-01), Gilman
patent: 1842055 (1932-01-01), Stout
patent: 2514822 (1950-07-01), Wolfe
patent: 2650045 (1953-08-01), Hunt
patent: 2708081 (1955-05-01), Dobson
patent: 2926869 (1960-03-01), Sullivan
patent: 2936968 (1960-05-01), Mazzitelli
patent: 2988152 (1961-06-01), Katzenberger et al.
patent: 3181810 (1965-05-01), Olson
patent: 3253806 (1966-05-01), Eickmann
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